<!DOCTYPE html>
<html lang="en">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>添加用户常用城市</title>
</head>
<body>
<form action="/cityadd" method="post">
    账号:<input type="text" name="user_name" /></br>
    城市：<input type="text" name="city"></br>
    <input type="submit" value="注册">
</form>
</body>
</html>